/* 8c self.c &&8l -o self self.8 &&cp self $home/bin/386 9c self.c &&9l -o self self.o &&cp self $HOME/bin*/#include <u.h>#include <libc.h> int logfd;char *prog; voidusage(char *me){	fprint(2, "%s: usage\n", me);} voidmain(int argc, char **argv){	int i, fd, *fds;	char buf[8192];		prog = argv[0];	logfd = open("/tmp/xcpu.log", OWRITE);	ARGBEGIN{	default:		usage(argv[0]);	}ARGEND;	if(argc <= 0)		usage("self");	fd = open("/srv/ionode0", ORDWR);	if(fd < 0)		sysfatal("no /srv/csrv");	if(mount(fd, -1, "/n/csrv", MREPL, "") < 0)		sysfatal("no xcpu namespace");	fds = malloc(sizeof(int)*argc);	for(i = 0; i < argc; i++){		fd = open(argv[i], OWRITE);		if(fd < 0)			sysfatal("couldn't open file: %s", argv[i]);		fprint(logfd, "%ld %d %s argv[i] %s i %d\n", time(0), getpid(),  prog, argv[i], i);		fprint(fd, "%d\n", i);		close(fd);	}	while(i = read(0, buf, 8192) > 0)		fprint(logfd, "%ld %d %s %*s\n", time(0), getpid(),  prog, i, argv[i]); // just get rid of stuff to read	exits(0);}